CN110808761A - Method for tampering stealing information on power line and preventing interference - Google Patents
Method for tampering stealing information on power line and preventing interference Download PDFInfo
- Publication number
- CN110808761A CN110808761A CN201910997950.9A CN201910997950A CN110808761A CN 110808761 A CN110808761 A CN 110808761A CN 201910997950 A CN201910997950 A CN 201910997950A CN 110808761 A CN110808761 A CN 110808761A
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- information
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- single chip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Storage Device Security (AREA)
Abstract
The invention provides a method for tampering stealing information on a power line and preventing interference, and relates to the technical field of data stealing prevention. The method for tampering the stealing information on the power line and preventing interference comprises the following steps: 1) current and voltage sensors are arranged on the live wire and the zero wire, and then the current and voltage sensors are connected with an ADC (analog to digital converter) of the MCU (micro control unit); 2) the method comprises the steps of sampling power information at a high speed by using a single chip microcomputer, carrying out AD conversion on information on a current sensor and a voltage sensor by using the single chip microcomputer, judging whether secret stealing information is transmitted on a power line or not through calculation, and calculating the baud rate, the amplitude and the waveform starting time of the secret stealing information if the secret stealing information is transmitted. After the amplitude of the information of stealing the secret is analyzed by the single chip, proper load is selected from the load array through calculation to form an interference load, the single chip drives the load to be synchronously and randomly switched on and off at the same frequency as the information of stealing the secret, and the purpose of interfering and tampering the information of stealing the secret is achieved under the condition of no networking.
Description
Technical Field
The invention relates to the technical field of data theft prevention, in particular to a method for tampering stealing information on a power line and preventing interference.
Background
In recent years, a technology of stealing data of a computer and a server through a power line under the condition of no networking has appeared, a virus program (a storage medium such as a U disk, an optical disk and a memory card) is implanted into a target computer and the server through the storage medium, the virus converts information collected in the computer into changes of current, power and the like consumed by the computer and the server, and the information data is transmitted out through the power line to steal the data.
At present, the existing socket and PDU do not interfere with the signal loaded on the power line and cannot tamper with the signal, so that data is easy to steal.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for tampering stealing information on a power line and preventing interference, and solves the problems that the existing socket and PDU do not interfere with a signal loaded on the power line, the signal cannot be tampered, and data is easy to steal.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method of tampering with theft information and tamper prevention on a power line, comprising the steps of:
1) current and voltage sensors are arranged on the live wire and the zero wire, and then the current and voltage sensors are connected with an ADC (analog to digital converter) of the MCU (micro control unit);
2) the method comprises the steps that high-speed sampling is conducted on power information through a single chip microcomputer, the single chip microcomputer conducts AD conversion on information on a current sensor and a voltage sensor, whether secret stealing information is transmitted on a power line or not is judged through calculation, and if the secret stealing information is transmitted, the baud rate, the amplitude and the waveform starting time of the secret stealing information are calculated;
3) the single chip microcomputer calculates a load value required by generating information with the same amplitude according to the amplitude of the stealing information, and then selects one load or a plurality of load combinations in the load array;
4) and (3) controlling the random on-off of the load or the load combination selected in the step (3) by the singlechip according to the frequency and the initial time calculated in the step (2) to interfere with tampering the encrypted information.
Preferably, the current in step 2 is direct current or alternating current.
Preferably, the single chip microcomputer controls the on-off of the load array through the Darlington tube array.
The working principle is as follows: the method comprises the steps of using a single chip microcomputer to carry out high-speed sampling on electric power information, monitoring whether data information is loaded on an electric power line or not, immediately analyzing the frequency and amplitude of the information if data is loaded on the electric power line, immediately and synchronously loading random information with the same frequency and amplitude on the electric power line, interfering and tampering with stealing information, installing a load array between a live wire and a zero line, controlling the on-off of each load of the array through a Darlington tube array by the single chip microcomputer, after analyzing the amplitude of the stealing information by the single chip microcomputer, selecting proper loads from the load array through calculation to form an interfering load, driving the single chip microcomputer to synchronously and randomly switch the loads at the same frequency as the stealing information, and achieving the purpose of interfering and tampering with the stealing information.
(III) advantageous effects
The invention provides a method for tampering stealing information on a power line and preventing interference. The method has the following beneficial effects:
the method for tampering the stealing information on the power line and preventing interference comprises the steps of analyzing the amplitude of the stealing information by a single chip microcomputer, selecting a proper load from a load array through calculation to form an interference load, driving the load to be synchronously and randomly switched on and off at the same frequency as the stealing information by the single chip microcomputer, and achieving the purpose of interfering and tampering the stealing information under the condition of no networking.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1, an embodiment of the present invention provides a method for tampering with stolen information on a power line and preventing interference, including the following steps:
1) current and voltage sensors are arranged on the live wire and the zero wire, and then the current and voltage sensors are connected with an ADC (analog to digital converter) of the MCU (micro control unit);
2) the method comprises the steps that high-speed sampling is conducted on power information through a single chip microcomputer, the single chip microcomputer conducts AD conversion on information on a current sensor and a voltage sensor, whether secret stealing information is transmitted on a power line or not is judged through calculation, and if the secret stealing information is transmitted, the baud rate, the amplitude and the waveform starting time of the secret stealing information are calculated;
3) the single chip microcomputer calculates a load value required by generating information with the same amplitude according to the amplitude of the stealing information, and then selects one load or a plurality of load combinations in the load array;
4) and (3) controlling the random on-off of the load or the load combination selected in the step (3) by the singlechip according to the frequency and the initial time calculated in the step (2) to interfere with tampering the encrypted information.
The current in the step 2 is direct current or alternating current, and the singlechip controls the on-off of the load array through the Darlington tube array.
After the amplitude of the information of stealing the secret is analyzed by the single chip, proper load is selected from the load array through calculation to form an interference load, the single chip drives the load to be synchronously and randomly switched on and off at the same frequency as the information of stealing the secret, and the purpose of interfering and tampering the information of stealing the secret is achieved under the condition of no networking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A method for tampering with stealing information on a power line and preventing interference is characterized in that: the method comprises the following steps:
1) current and voltage sensors are arranged on the live wire and the zero wire, and then the current and voltage sensors are connected with an ADC (analog to digital converter) of the MCU (micro control unit);
2) the method comprises the steps that high-speed sampling is conducted on power information through a single chip microcomputer, the single chip microcomputer conducts AD conversion on information on a current sensor and a voltage sensor, whether secret stealing information is transmitted on a power line or not is judged through calculation, and if the secret stealing information is transmitted, the baud rate, the amplitude and the waveform starting time of the secret stealing information are calculated;
3) the single chip microcomputer calculates a load value required by generating information with the same amplitude according to the amplitude of the stealing information, and then selects one load or a plurality of load combinations in the load array;
4) and (3) controlling the random on-off of the load or the load combination selected in the step (3) by the singlechip according to the frequency and the initial time calculated in the step (2) to interfere with tampering the encrypted information.
2. The method of claim 1, wherein the method comprises: the current in the step 2 is direct current or alternating current.
3. The method of claim 1, wherein the method comprises: the single chip microcomputer controls the on-off of the load array through the Darlington tube array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997950.9A CN110808761A (en) | 2019-10-21 | 2019-10-21 | Method for tampering stealing information on power line and preventing interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910997950.9A CN110808761A (en) | 2019-10-21 | 2019-10-21 | Method for tampering stealing information on power line and preventing interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110808761A true CN110808761A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910997950.9A Pending CN110808761A (en) | 2019-10-21 | 2019-10-21 | Method for tampering stealing information on power line and preventing interference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983304A (en) * | 2020-07-01 | 2020-11-24 | 宁波三星医疗电气股份有限公司 | Electricity stealing prevention method for electric energy meter |
Citations (6)
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|---|---|---|---|---|
| CN102509971A (en) * | 2011-10-28 | 2012-06-20 | 中国人民解放军总参谋部第五十五研究所 | Broadband carrier-leak-proof safety power supply socket |
| CN102684745A (en) * | 2012-05-21 | 2012-09-19 | 成都立鑫新技术科技有限公司 | Method and device for securing and blocking power line information |
| CN103560843A (en) * | 2013-11-08 | 2014-02-05 | 成都立鑫新技术科技有限公司 | Power line information monitoring method and monitoring device thereof |
| CN103856242A (en) * | 2012-11-30 | 2014-06-11 | 李祥明 | Power-line communication interference devices |
| CN103916207A (en) * | 2014-04-11 | 2014-07-09 | 北京理工大学 | Active device and method for interfering multi-frequency-band power line communication |
| CN107786248A (en) * | 2017-10-13 | 2018-03-09 | 北京电子科技学院 | A kind of power line carrier safety governor |
-
2019
- 2019-10-21 CN CN201910997950.9A patent/CN110808761A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509971A (en) * | 2011-10-28 | 2012-06-20 | 中国人民解放军总参谋部第五十五研究所 | Broadband carrier-leak-proof safety power supply socket |
| CN102684745A (en) * | 2012-05-21 | 2012-09-19 | 成都立鑫新技术科技有限公司 | Method and device for securing and blocking power line information |
| CN103856242A (en) * | 2012-11-30 | 2014-06-11 | 李祥明 | Power-line communication interference devices |
| CN103560843A (en) * | 2013-11-08 | 2014-02-05 | 成都立鑫新技术科技有限公司 | Power line information monitoring method and monitoring device thereof |
| CN103916207A (en) * | 2014-04-11 | 2014-07-09 | 北京理工大学 | Active device and method for interfering multi-frequency-band power line communication |
| CN107786248A (en) * | 2017-10-13 | 2018-03-09 | 北京电子科技学院 | A kind of power line carrier safety governor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983304A (en) * | 2020-07-01 | 2020-11-24 | 宁波三星医疗电气股份有限公司 | Electricity stealing prevention method for electric energy meter |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200218 |
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| RJ01 | Rejection of invention patent application after publication |